{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x359c2174d4dc7036bc4fe08ad918e0c640a310bcc66462b56fe31e648a7a3103",
    "signature": "0x8f95d21b39c8e926a49c7632463a7d8b250d5948126eefa9efad56dc8c62574c65399d900fb1e164a8790f66c6f3aa7cf6fa7d841cecef49db3aaf2fbb324ac31b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}